CONTEXT
Many trading systems prioritize entry design. Exit rules are often treated as secondary risk settings: — fixed stop percentages — psychological tolerance — ad-hoc adjustment This makes exit reactive rather than semantic. When volatility exceeds expectations, rules shift — weakening Edge Consistency. True exit logic must be defined before participation begins.
CORE IDEA
Building clear and consistent exit logic requires three principles. 1) Exit must correspond to Invalidation — failure is semantic boundary violation — not P&L fluctuation 2) Exit must align with State — if State holds, noise does not justify exit — if State breaks, termination is required 3) Exit logic must be repeatable — identical conditions produce identical behavior — language does not change with emotion Exit design is not about optimal timing, but about defining boundaries. Stable boundaries produce stable behavior.
WHY IT MATTERS
Inconsistent exit logic leads to three common distortions: — premature exit during valid states — extended holding after invalidation — rule rewriting under P&L pressure All expand Noise Contamination and accelerate Decision Drift. Clear exit logic changes the dynamic: — no need to predict tops or bottoms — only respect Invalidation — conditions govern behavior, not emotion Layer 3 is not about increasing control, but reducing arbitrariness. When exit logic precedes emotion, architecture stabilizes. Consistent exits are true risk management.